aside {
    position: fixed;
    right: 60px;
    bottom: 100px;
    display: none;
    z-index: 10;
}

aside .aside-container svg,
aside .aside-container a {
    color: #000;
}

aside ul li {
    margin-top: 14px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border: 1px solid #000;
    border-radius: 10px;
}

/* 
aside ul li:nth-of-type(2) {
    height: 104px;
} */

aside .feedback-service {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

aside ul li:nth-of-type(2) a {
    border: 1px solid #000;
    border-radius: 10px;
}

aside ul li:nth-of-type(2) a:hover {
    background-color: #ddd;
    cursor: pointer;
}

aside ul li:nth-of-type(2) a:first-child {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px
}

aside ul li:nth-of-type(2) a:last-child {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;

}

aside .extend:hover {
    border: none;
    height: 104px;
    transition: all .2s;
}

aside .extend:hover .feedback-service {
    display: flex;
}

aside .goBackTop {
    display: flex;
    flex-direction: column;
    align-items: center;
}

aside ul li:first-child:hover,
aside ul li:last-child:hover {
    background-color: #ddd;
    cursor: pointer;
}